... you can eke out another few minutes of battery life. This battery tester is a great gadget, and it ... moves up and down to accommodate the battery, you can place your battery between the two points, and the ... power level One movable arm to accommodate the battery Two buttons on the side for testing 9 ... 5*4*2.5cmUsed To Test The Following Sizes: 9V: PP3, MN1604, 6F22, 006P 1.5V: AAA, HP16, MN2400, R03 AA, ...